Is binlog using WAL?

2009-02-28 Thread Cui Shijun
hi, It seems that mysql will call "write" interfaces(eg. bulk_update_row & ha_update_row ...) of HANDLER before writing a binlog. Does this mean the time when binlog is written actually vary from engine to engine? Thank you. -- MySQL General Mailing List For list archives: http://lists.mys

Re: whoa!

2009-02-28 Thread Andy Shellam
Hi PJ, Having been a C programmer for a while this makes perfect sense to me. You call mysql_(real)_query to execute the query and get the results from the server. Because the MySQL library doesn't know when you've finished with the result-set, you have to tell it to write the results to me

Re: Concurrent Inserts with merged table

2009-02-28 Thread buford
> At 07:38 PM 2/25/2009, you wrote: > >> > >> > not sure, though, feel free to report test results >> >>Results not good so far. I created a big load file >>Then I did a LOAD DATA CONCURRENT INFILE 'my_big_file'... >> >>While that was running, I ran a SELECT COUNT(*) query in another session. >>The

Re: MySQL Closing/Opening tables

2009-02-28 Thread Baron Schwartz
Hi, On Fri, Feb 27, 2009 at 2:51 PM, wrote: > Thanks for the quick followup Baron.. > >  vmstat > procs ---memory-- ---swap-- -io --system-- > -cpu-- >  r  b   swpd   free   buff  cache   si   so    bi    bo   in   cs us sy id > wa st >  3  0    100 499380 139256

Re: MyISAM large tables and indexes managing problems

2009-02-28 Thread Claudio Nanni
Yes I killed several times the query but now way, the server was continuing to hog disk space and not even shutdown worked! Thanks! Claudio 2009/2/27 Brent Baisley > MySQL can handle large tables no problem, it's large queries that it > has issues with. You couldn't just kill the query instead

Re: MyISAM large tables and indexes managing problems

2009-02-28 Thread Claudio Nanni
Hi Rolando, I am going to give it a try, but the thing is that the creation of index with MyISAM table causes a re-copy of the table (using temporary table) and so it is the same thing, and seens to take a lot of time. I stopped it after 10 hours or so. I think is the way mysql manages the creation

Ofertas em Higiêne Bucal

2009-02-28 Thread Dental Supplies
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Re: Does binlog stay in memory when replication happens?

2009-02-28 Thread Cui Shijun
hi, Thank you for your reply :-) > What does replication have to do with it? I wonder whether mysql will copy its binlog from memory( if it exists ) then send to slave. I haven't refer to the source codes yet... > Slave's binlog?  The slave's binlog is not tied to the master's > binlog.  I am n